package com.ybl.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ybl.common.R;
import com.ybl.entity.Employee;
import com.ybl.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /**
     * 登录
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if (emp == null) {
            return R.error("登陆失败!");
        }
        if (!emp.getPassword().equals(password)) {
            return R.error("登陆失败!");
        }
        if (emp.getStatus() == 0) {
            return R.error("账户禁用!");
        }
        request.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    /**
     * 登出
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request) {
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     * 新增员工
     */
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {

        log.info("新增员工：{}", employee.toString());
        final String password = employee.getPassword();
        if (password == null || password.isEmpty()) {
            employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        }else {
            employee.setPassword(DigestUtils.md5DigestAsHex(password.getBytes()));
        }
        employeeService.save(employee);
        return R.success("新增员工成功");
    }

    /**
     * 员工信息分页查询
     */
    @GetMapping("/page")
    public R<Page> page(Integer page, Integer pageSize, String name) {
        log.info("page = {},pageSize = {},name = {}", page, pageSize, name);
        Page pageInfo = new Page(page, pageSize);
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        employeeService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id修改员工信息
     */
    @PutMapping
    public R<String> update(@RequestBody Employee employee) {
        long id = Thread.currentThread().getId();
        log.info("线程id为：{}", id);
        log.info(employee.toString());
        final String password = employee.getPassword();
        if (password == null || password.isEmpty()) {
            employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        }else {
            employee.setPassword(DigestUtils.md5DigestAsHex(password.getBytes()));
        }
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    /**
     * 根据id查询员工信息
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息...");
        Employee employee = employeeService.getById(id);
        if (employee != null) {
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息");
    }

    /**
     * 删除员工
     */
    @DeleteMapping
    public R<String> delete(HttpServletRequest request,@RequestParam Long id) {
        log.info("删除员工：{}", id);
        if (id==1){
            return R.error("不得删除管理员");
        }
        employeeService.removeById(id);
        return R.success("删除员工成功");
    }
}
